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Fencer Vulns
high 7.1

CVE-2008-1440 in the critical feed json

Microsoft Windows XP SP2 and SP3, and Server 2003 SP1 and SP2, does not properly validate the option length field in Pragmatic General Mult…

published 2008-06-12 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-1444

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
22.6%
EPSS 22.6% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Microsoft Windows XP SP2 and SP3, and Server 2003 SP1 and SP2, does not properly validate the option length field in Pragmatic General Multicast (PGM) packets, which allows remote attackers to cause a denial of service (infinite loop and system hang) via a crafted PGM packet, aka the "PGM Invalid Length Vulnerability."

Patch / fix

Exploit prediction

22.59% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-1284 Improper Validation of Specified Quantity in Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.